Home / 92,925.81-128,229.65-51,534.13

Finding the Fourth Proportional to 92,925.81, 128,229.65 and 51,534.13

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Solution

The fourth proportional to 92,925.81, 128,229.65 and 51,534.13 is: 71,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.81 : 128,229.65 = 51,534.13 : x
  2. Step 2: Convert to fraction form
    92,925.81/128,229.65 = 51,534.13/x
  3. Step 3: Cross multiply
    92,925.81x = 128,229.65 × 51,534.13
  4. Step 4: Simplify right side
    92,925.81x = 6,608,203,452.95
  5. Step 5: Solve for x
    x = 6,608,203,452.95/92,925.81
  6. Step 6: Final answer
    x = 71,112.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.